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fix page up/down

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This commit is contained in:
nightwing 2012-04-24 12:22:32 +04:00
commit acdb23c828
2 changed files with 26 additions and 37 deletions
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2
doc/wiki

@ -1 +1 @@
Subproject commit d2a65d0addc2e5ab922bbff9cb6022a4652b4f13
Subproject commit cc5ccde4565f7b21c81345f47e941e011e94b810

61
lib/ace/editor.js
View file

@ -959,62 +959,51 @@ var Editor = function(renderer, session) {
return this.renderer.getScrollBottomRow() - this.renderer.getScrollTopRow() + 1;
};
this.$getPageDownRow = function() {
return this.renderer.getScrollBottomRow();
};
this.$moveByPage = function(dir, select) {
var renderer = this.renderer;
var config = this.renderer.layerConfig;
var rows = dir * Math.floor(config.height / config.lineHeight);
this.$getPageUpRow = function() {
var firstRow = this.renderer.getScrollTopRow();
var lastRow = this.renderer.getScrollBottomRow();
renderer.scrollBy(0, rows * config.lineHeight);
return firstRow - (lastRow - firstRow);
if (select == null)
return;
this.$blockScrolling++;
if (select) {
this.selection.$moveSelection(function(){
this.moveCursorBy(rows, 0);
});
} else {
this.selection.moveCursorBy(rows, 0);
this.selection.clearSelection();
}
this.$blockScrolling--;
};
this.selectPageDown = function() {
var row = this.$getPageDownRow() + Math.floor(this.$getVisibleRowCount() / 2);
this.scrollPageDown();
var selection = this.getSelection();
var leadScreenPos = this.session.documentToScreenPosition(selection.getSelectionLead());
var dest = this.session.screenToDocumentPosition(row, leadScreenPos.column);
selection.selectTo(dest.row, dest.column);
this.$moveByPage(1, true);
};
this.selectPageUp = function() {
var visibleRows = this.renderer.getScrollTopRow() - this.renderer.getScrollBottomRow();
var row = this.$getPageUpRow() + Math.round(visibleRows / 2);
this.scrollPageUp();
var selection = this.getSelection();
var leadScreenPos = this.session.documentToScreenPosition(selection.getSelectionLead());
var dest = this.session.screenToDocumentPosition(row, leadScreenPos.column);
selection.selectTo(dest.row, dest.column);
this.$moveByPage(-1, true);
};
this.gotoPageDown = function() {
var row = this.$getPageDownRow();
var column = this.getCursorPositionScreen().column;
this.$gotoLine(row, column);
this.clearSelection();
this.$moveByPage(1, false);
};
this.gotoPageUp = function() {
var row = this.$getPageUpRow();
var column = this.getCursorPositionScreen().column;
this.$gotoLine(row, column);
this.clearSelection();
this.$moveByPage(-1, false);
};
this.scrollPageDown = function() {
this.scrollToLine(this.$getPageDownRow());
this.$moveByPage(1);
};
this.scrollPageUp = function() {
this.scrollToLine(this.$getPageUpRow());
this.$moveByPage(-1);
};
this.scrollToRow = function(row) {